1606610570655 has 32 divisors (see below), whose sum is σ = 2640454502400. Its totient is φ = 833573503872.

The previous prime is 1606610570639. The next prime is 1606610570689. The reversal of 1606610570655 is 5560750166061.

It is not a de Polignac number, because 1606610570655 - 2⁴ = 1606610570639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3478386 + ... + 3913104.

It is an arithmetic number, because the mean of its divisors is an integer number (82514203200).

Almost surely, 2^{1606610570655} is an apocalyptic number.

1606610570655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1606610570655 is a deficient number, since it is larger than the sum of its proper divisors (1033843931745).

1606610570655 is a wasteful number, since it uses less digits than its factorization.

1606610570655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441423.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 1606610570655 in words is "one trillion, six hundred six billion, six hundred ten million, five hundred seventy thousand, six hundred fifty-five".